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About Language Reference

This is a collection of the help pages from every function and dataset in the latest version of R (base and recommended packages). Add your comments to the page to offer tips for using these functions, or expand on the documentation. Your comments are tagged with the current R version number, and will be preserved when these pages are updated with the next R release.

The URLs for these pages are stable, in the format:http://www.inside-r.org/r-doc/PACKAGE/FUNCTION

Feel free to link to them from other pages.

About inside-R.org

inside-R.org is a collection of resources about the open-source R Project for the R Statistics Community. This site is sponsored by Revolution Analytics.